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  <script>
    const str = 'ashdjaksd{{class}}asdasdasd{{name}}'
    const s = str.replace(/{{(.*?)}}/g, function (node, key) {
      console.log(node, key)
      return {
        class: '12312',
        name: '123'
      } [{}]
    })
    console.log(s)
  </script>
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